An island is 6 mi from the nearest point on a straight shoreline; that point is 9 mi from a power station. A utility company plans to lay electrical cable underwater from the island to the shore and then underground along the shore to the power station. A
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An island is 6 mi from the nearest point on a straight shoreline; that point is 9 mi from a power station. A utility company plans to lay electrical cable underwater from the island to the shore and then underground along the shore to the power station. Assume that it costs $2000/mi to lay underwater cable and $1600/mi to lay underground cable. At what point should the underwater cable meet the shore in order to minimize the cost of the project?
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Dana April 7, 2023 в 21:05that point is 9 mi from a power station. A utility company plans to lay electrical cable underwater from the island to the shore and then underground along the shore to the power station. Assume that it costs $2000/mi to lay underwater cable and $1600/mi to lay underground cable. At what point should the underwater cable meet the shore in order to minimize the cost of the project?
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